linux-ext4 - Re: 2.6.21-ext4-1

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Date:	Wed, 09 May 2007 09:52:10 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	"Amit K. Arora" <aarora@...ux.vnet.ibm.com>
CC:	David Chinner <dgc@....com>, Mingming Cao <cmm@...ibm.com>,
	"Theodore Ts'o" <tytso@....edu>, linux-ext4@...r.kernel.org,
	Johann Lombardi <johann.lombardi@...l.net>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.21-ext4-1

Amit K. Arora wrote:

> And, how does XFS behave now if we write to mmapped preallocated blocks,
> since XFS also doesn't have ->page_mkwrite() implemented as of date ?

unwritten extents remain unwritten after mmap() modifies them

http://oss.sgi.com/bugzilla/show_bug.cgi?id=418

:)

-Eric

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